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Implement sync XHR by creating and spinning on-demand event loops.

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This commit is contained in:
Josh Matthews 2015-03-05 09:22:58 -05:00
parent 2ee21ddbe7
commit 01e66035ff
6 changed files with 269 additions and 156 deletions
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19
components/script/dom/dedicatedworkerglobalscope.rs
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@ -21,7 +21,7 @@ use dom::messageevent::MessageEvent;
use dom::worker::{TrustedWorkerAddress, WorkerMessageHandler, WorkerEventHandler, WorkerErrorHandler};
use dom::workerglobalscope::{WorkerGlobalScope, WorkerGlobalScopeHelpers};
use dom::workerglobalscope::WorkerGlobalScopeTypeId;
use script_task::{ScriptTask, ScriptChan, ScriptMsg, TimerSource};
use script_task::{ScriptTask, ScriptChan, ScriptMsg, TimerSource, ScriptPort};
use script_task::StackRootTLS;
use msg::constellation_msg::PipelineId;
@ -38,7 +38,7 @@ use js::jsval::JSVal;
use js::rust::Cx;
use std::rc::Rc;
use std::sync::mpsc::{Sender, Receiver};
use std::sync::mpsc::{Sender, Receiver, channel};
use url::Url;
/// A ScriptChan that can be cloned freely and will silently send a TrustedWorkerAddress with
@ -198,6 +198,8 @@ impl DedicatedWorkerGlobalScope {
pub trait DedicatedWorkerGlobalScopeHelpers {
fn script_chan(self) -> Box<ScriptChan+Send>;
fn pipeline(self) -> PipelineId;
fn new_script_pair(self) -> (Box<ScriptChan+Send>, Box<ScriptPort+Send>);
fn process_event(self, msg: ScriptMsg);
}
impl<'a> DedicatedWorkerGlobalScopeHelpers for JSRef<'a, DedicatedWorkerGlobalScope> {
@ -213,6 +215,19 @@ impl<'a> DedicatedWorkerGlobalScopeHelpers for JSRef<'a, DedicatedWorkerGlobalSc
fn pipeline(self) -> PipelineId {
self.id
}
fn new_script_pair(self) -> (Box<ScriptChan+Send>, Box<ScriptPort+Send>) {
let (tx, rx) = channel();
let chan = box SendableWorkerScriptChan {
sender: tx,
worker: self.worker.borrow().as_ref().unwrap().clone(),
};
(chan, box rx)
}
fn process_event(self, msg: ScriptMsg) {
self.handle_event(msg);
}
}
trait PrivateDedicatedWorkerGlobalScopeHelpers {